add a note to myself to set off the pieces view target/action in the xib instead of code

git-svn-id: svn://svn.transmissionbt.com/Transmission/trunk@14051 f4695dd4-2c0a-0410-b89c-da849a56a58e
missed updating one updatePiecesView

git-svn-id: svn://svn.transmissionbt.com/Transmission/trunk@14052 f4695dd4-2c0a-0410-b89c-da849a56a58e